Trygve Prestgard
@trygveprestgard.bsky.social
Postdoctoral researcher in (micro)meteoritics. I'm also a comet and deep sky enthusiast! He/him.
Reposted by Trygve Prestgard
#bskycometography no. 357
C/1956 R1 (Arend-Roland)
1956 Nov 8: Discovered by S. J. V. Arend & G. Roland (Belgium) at 10 mag. Predisc of Nov 7 from Japan. The comet reached 1 mag around perihelion (1957 Apr 8 at 0.32 au). Max tail 30° and 15° sunward tail! Last seen on Apr 11.
☄️🔭 #CometWatch
C/1956 R1 (Arend-Roland)
1956 Nov 8: Discovered by S. J. V. Arend & G. Roland (Belgium) at 10 mag. Predisc of Nov 7 from Japan. The comet reached 1 mag around perihelion (1957 Apr 8 at 0.32 au). Max tail 30° and 15° sunward tail! Last seen on Apr 11.
☄️🔭 #CometWatch
November 8, 2025 at 3:37 PM
#bskycometography no. 357
C/1956 R1 (Arend-Roland)
1956 Nov 8: Discovered by S. J. V. Arend & G. Roland (Belgium) at 10 mag. Predisc of Nov 7 from Japan. The comet reached 1 mag around perihelion (1957 Apr 8 at 0.32 au). Max tail 30° and 15° sunward tail! Last seen on Apr 11.
☄️🔭 #CometWatch
C/1956 R1 (Arend-Roland)
1956 Nov 8: Discovered by S. J. V. Arend & G. Roland (Belgium) at 10 mag. Predisc of Nov 7 from Japan. The comet reached 1 mag around perihelion (1957 Apr 8 at 0.32 au). Max tail 30° and 15° sunward tail! Last seen on Apr 11.
☄️🔭 #CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 365
C/1989 W1 (Aarseth-Brewington)
1989 Nov 16: Discovered by K. B. Aarseth (Norway) and H. J. Brewington (USA) at 8.5 mag. Prediscovery images of Sep 1. The comet passed perihelion on Dec 27 and reached 3 mag. It was last finally seen on 1990 Jan 31.
☄️🔭 #CometWatch
C/1989 W1 (Aarseth-Brewington)
1989 Nov 16: Discovered by K. B. Aarseth (Norway) and H. J. Brewington (USA) at 8.5 mag. Prediscovery images of Sep 1. The comet passed perihelion on Dec 27 and reached 3 mag. It was last finally seen on 1990 Jan 31.
☄️🔭 #CometWatch
November 16, 2025 at 2:59 PM
#bskycometography no. 365
C/1989 W1 (Aarseth-Brewington)
1989 Nov 16: Discovered by K. B. Aarseth (Norway) and H. J. Brewington (USA) at 8.5 mag. Prediscovery images of Sep 1. The comet passed perihelion on Dec 27 and reached 3 mag. It was last finally seen on 1990 Jan 31.
☄️🔭 #CometWatch
C/1989 W1 (Aarseth-Brewington)
1989 Nov 16: Discovered by K. B. Aarseth (Norway) and H. J. Brewington (USA) at 8.5 mag. Prediscovery images of Sep 1. The comet passed perihelion on Dec 27 and reached 3 mag. It was last finally seen on 1990 Jan 31.
☄️🔭 #CometWatch
Was going through my old laptop and found this animation of comet Kudo-Fujikawa transiting the SOHO/LASCO C2 FOV! The images are from January 2003. Enjoy! ☄️
#CometWatch #ESA #NASA
#CometWatch #ESA #NASA
November 20, 2025 at 3:04 PM
Was going through my old laptop and found this animation of comet Kudo-Fujikawa transiting the SOHO/LASCO C2 FOV! The images are from January 2003. Enjoy! ☄️
#CometWatch #ESA #NASA
#CometWatch #ESA #NASA
Comet C/2025 A6 (Lemmon) is entering the STEREO/SECCHI HI1-A camera's FOV! So far, only low-quality data is available. ☄️
#CometWatch
#CometWatch
November 8, 2025 at 12:59 PM
Comet C/2025 A6 (Lemmon) is entering the STEREO/SECCHI HI1-A camera's FOV! So far, only low-quality data is available. ☄️
#CometWatch
#CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 356
C/2018 V1 (Machholz-Fujikawa-Iwamoto)
2018 Nov 7: Disc by D. E. Machholz (visual), S. Fujikawa & M. Iwamoto (Japan) at 10 mag. It's the last visual comet discovery! Perihelion on Dec 3 at 0.39 au w/ 7-8 mag. Last seen on Dec 17, possibly disintegrated.
☄️🔭 #CometWatch
C/2018 V1 (Machholz-Fujikawa-Iwamoto)
2018 Nov 7: Disc by D. E. Machholz (visual), S. Fujikawa & M. Iwamoto (Japan) at 10 mag. It's the last visual comet discovery! Perihelion on Dec 3 at 0.39 au w/ 7-8 mag. Last seen on Dec 17, possibly disintegrated.
☄️🔭 #CometWatch
November 7, 2025 at 2:59 PM
#bskycometography no. 356
C/2018 V1 (Machholz-Fujikawa-Iwamoto)
2018 Nov 7: Disc by D. E. Machholz (visual), S. Fujikawa & M. Iwamoto (Japan) at 10 mag. It's the last visual comet discovery! Perihelion on Dec 3 at 0.39 au w/ 7-8 mag. Last seen on Dec 17, possibly disintegrated.
☄️🔭 #CometWatch
C/2018 V1 (Machholz-Fujikawa-Iwamoto)
2018 Nov 7: Disc by D. E. Machholz (visual), S. Fujikawa & M. Iwamoto (Japan) at 10 mag. It's the last visual comet discovery! Perihelion on Dec 3 at 0.39 au w/ 7-8 mag. Last seen on Dec 17, possibly disintegrated.
☄️🔭 #CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 350
C/1948 V1 (Eclipse Comet)
1948 Nov 1: Disc on photographs taken during the total solar eclipse at 2° from the sun at maybe -3 mag. From Nov 5 seen from the ground. Max tail ~20°. Perihelion on Oct 27 at 0.14 au. Last seen 1949 Apr 3. ALT for image source.
☄️🔭 #CometWatch
C/1948 V1 (Eclipse Comet)
1948 Nov 1: Disc on photographs taken during the total solar eclipse at 2° from the sun at maybe -3 mag. From Nov 5 seen from the ground. Max tail ~20°. Perihelion on Oct 27 at 0.14 au. Last seen 1949 Apr 3. ALT for image source.
☄️🔭 #CometWatch
November 1, 2025 at 3:05 PM
#bskycometography no. 350
C/1948 V1 (Eclipse Comet)
1948 Nov 1: Disc on photographs taken during the total solar eclipse at 2° from the sun at maybe -3 mag. From Nov 5 seen from the ground. Max tail ~20°. Perihelion on Oct 27 at 0.14 au. Last seen 1949 Apr 3. ALT for image source.
☄️🔭 #CometWatch
C/1948 V1 (Eclipse Comet)
1948 Nov 1: Disc on photographs taken during the total solar eclipse at 2° from the sun at maybe -3 mag. From Nov 5 seen from the ground. Max tail ~20°. Perihelion on Oct 27 at 0.14 au. Last seen 1949 Apr 3. ALT for image source.
☄️🔭 #CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 355
17P/1892 V1 (Holmes)
1892 Nov 6: Disc by E. Holmes (England) at 4 mag while in outburst five months after perihelion (Jun 13 at 2.14 au)! The comet faded slowly while becoming larger and diffuse. 2nd outburst on 1893 Jan 16. P=6.90 y, recovery in 1899.
☄️🔭 #CometWatch
17P/1892 V1 (Holmes)
1892 Nov 6: Disc by E. Holmes (England) at 4 mag while in outburst five months after perihelion (Jun 13 at 2.14 au)! The comet faded slowly while becoming larger and diffuse. 2nd outburst on 1893 Jan 16. P=6.90 y, recovery in 1899.
☄️🔭 #CometWatch
November 6, 2025 at 3:12 PM
#bskycometography no. 355
17P/1892 V1 (Holmes)
1892 Nov 6: Disc by E. Holmes (England) at 4 mag while in outburst five months after perihelion (Jun 13 at 2.14 au)! The comet faded slowly while becoming larger and diffuse. 2nd outburst on 1893 Jan 16. P=6.90 y, recovery in 1899.
☄️🔭 #CometWatch
17P/1892 V1 (Holmes)
1892 Nov 6: Disc by E. Holmes (England) at 4 mag while in outburst five months after perihelion (Jun 13 at 2.14 au)! The comet faded slowly while becoming larger and diffuse. 2nd outburst on 1893 Jan 16. P=6.90 y, recovery in 1899.
☄️🔭 #CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 323
C/1975 T1 (Mori-Sato-Fujikawa) & C/1975 T2 (Suzuki-Saigusa-Mori)
1975 Oct 5: Two comets discovered within 1 hour by numerous Japanese comet hunters! Mori found his two comets within 70 minutes! The comets reached 8 mag and 4 mag, respectively.
☄️🔭 #CometWatch
C/1975 T1 (Mori-Sato-Fujikawa) & C/1975 T2 (Suzuki-Saigusa-Mori)
1975 Oct 5: Two comets discovered within 1 hour by numerous Japanese comet hunters! Mori found his two comets within 70 minutes! The comets reached 8 mag and 4 mag, respectively.
☄️🔭 #CometWatch
October 5, 2025 at 2:35 PM
#bskycometography no. 323
C/1975 T1 (Mori-Sato-Fujikawa) & C/1975 T2 (Suzuki-Saigusa-Mori)
1975 Oct 5: Two comets discovered within 1 hour by numerous Japanese comet hunters! Mori found his two comets within 70 minutes! The comets reached 8 mag and 4 mag, respectively.
☄️🔭 #CometWatch
C/1975 T1 (Mori-Sato-Fujikawa) & C/1975 T2 (Suzuki-Saigusa-Mori)
1975 Oct 5: Two comets discovered within 1 hour by numerous Japanese comet hunters! Mori found his two comets within 70 minutes! The comets reached 8 mag and 4 mag, respectively.
☄️🔭 #CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 351
C/1577 V1
1577 Nov 2: First seen from Peru at maybe -7 mag! Quickly seen world-wide. Perihelion on Oct 27 at 0.18 au, perigee on Nov 10 at 0.62 au. Used to prove for the first time that comets are outside of Earth's atmosphere. Last seen on 1578 Jan 26.
☄️🔭 #CometWatch
C/1577 V1
1577 Nov 2: First seen from Peru at maybe -7 mag! Quickly seen world-wide. Perihelion on Oct 27 at 0.18 au, perigee on Nov 10 at 0.62 au. Used to prove for the first time that comets are outside of Earth's atmosphere. Last seen on 1578 Jan 26.
☄️🔭 #CometWatch
November 2, 2025 at 3:15 PM
#bskycometography no. 351
C/1577 V1
1577 Nov 2: First seen from Peru at maybe -7 mag! Quickly seen world-wide. Perihelion on Oct 27 at 0.18 au, perigee on Nov 10 at 0.62 au. Used to prove for the first time that comets are outside of Earth's atmosphere. Last seen on 1578 Jan 26.
☄️🔭 #CometWatch
C/1577 V1
1577 Nov 2: First seen from Peru at maybe -7 mag! Quickly seen world-wide. Perihelion on Oct 27 at 0.18 au, perigee on Nov 10 at 0.62 au. Used to prove for the first time that comets are outside of Earth's atmosphere. Last seen on 1578 Jan 26.
☄️🔭 #CometWatch
Cute! 😍 Yesterday a small Kreutz-group comet discovered in CCOR-1 was found to be "double" when it entered the SOHO/LASCO C2 FOV! Close sungrazer fragments are personally my favorite! ☄️☄️
#CometWatch #Sungrazer
#CometWatch #Sungrazer
November 3, 2025 at 9:48 PM
Cute! 😍 Yesterday a small Kreutz-group comet discovered in CCOR-1 was found to be "double" when it entered the SOHO/LASCO C2 FOV! Close sungrazer fragments are personally my favorite! ☄️☄️
#CometWatch #Sungrazer
#CometWatch #Sungrazer
Reposted by Trygve Prestgard
#bskycometography no. 302
C/1963 R1 (Pereyra)
1963 Sep 14: Discovered by Z. M. Pereyra (Argentina) at 2 mag. This member of the Kreutz group of sungrazing comets had passed perihelion already on Aug 23 at 0.005 au. Max tail length ~18°. The comet was last seen on Dec 18.
☄️🔭 #CometWatch
C/1963 R1 (Pereyra)
1963 Sep 14: Discovered by Z. M. Pereyra (Argentina) at 2 mag. This member of the Kreutz group of sungrazing comets had passed perihelion already on Aug 23 at 0.005 au. Max tail length ~18°. The comet was last seen on Dec 18.
☄️🔭 #CometWatch
September 14, 2025 at 3:07 PM
#bskycometography no. 302
C/1963 R1 (Pereyra)
1963 Sep 14: Discovered by Z. M. Pereyra (Argentina) at 2 mag. This member of the Kreutz group of sungrazing comets had passed perihelion already on Aug 23 at 0.005 au. Max tail length ~18°. The comet was last seen on Dec 18.
☄️🔭 #CometWatch
C/1963 R1 (Pereyra)
1963 Sep 14: Discovered by Z. M. Pereyra (Argentina) at 2 mag. This member of the Kreutz group of sungrazing comets had passed perihelion already on Aug 23 at 0.005 au. Max tail length ~18°. The comet was last seen on Dec 18.
☄️🔭 #CometWatch
Reposted by Trygve Prestgard
And also congratulations to our #post-doctorate members (Lisa, Samuele, and @trygveprestgard.bsky.social) for presenting their ongoing work on fossil micrometeorites! ☄️
@amgc-vub.bsky.social
@amgc-vub.bsky.social
September 15, 2025 at 6:08 PM
And also congratulations to our #post-doctorate members (Lisa, Samuele, and @trygveprestgard.bsky.social) for presenting their ongoing work on fossil micrometeorites! ☄️
@amgc-vub.bsky.social
@amgc-vub.bsky.social
Reposted by Trygve Prestgard
Lastly, the FLUX PhD and Post-docs wrapped up their week at the #EPSC with a few group photos! 📸 ☄️😀
@amgc-vub.bsky.social
@fienjo.bsky.social
@trygveprestgard.bsky.social
@amgc-vub.bsky.social
@fienjo.bsky.social
@trygveprestgard.bsky.social
September 15, 2025 at 6:20 PM
Lastly, the FLUX PhD and Post-docs wrapped up their week at the #EPSC with a few group photos! 📸 ☄️😀
@amgc-vub.bsky.social
@fienjo.bsky.social
@trygveprestgard.bsky.social
@amgc-vub.bsky.social
@fienjo.bsky.social
@trygveprestgard.bsky.social
Reposted by Trygve Prestgard
#bskycometography no. 301
C/1996 R3 (Lagerkvist)
1996 Sep 13: Disc by K. I. Lagerkvist (Chile) at 18.5 mag. The comet was well past perihelion (1995 Jul 20 at 5.21 au) and did not become brighter. Last seen Oct 30. I was involved with orbit improvement (see link in ALT text).
☄️🔭 #CometWatch
C/1996 R3 (Lagerkvist)
1996 Sep 13: Disc by K. I. Lagerkvist (Chile) at 18.5 mag. The comet was well past perihelion (1995 Jul 20 at 5.21 au) and did not become brighter. Last seen Oct 30. I was involved with orbit improvement (see link in ALT text).
☄️🔭 #CometWatch
September 13, 2025 at 2:34 PM
#bskycometography no. 301
C/1996 R3 (Lagerkvist)
1996 Sep 13: Disc by K. I. Lagerkvist (Chile) at 18.5 mag. The comet was well past perihelion (1995 Jul 20 at 5.21 au) and did not become brighter. Last seen Oct 30. I was involved with orbit improvement (see link in ALT text).
☄️🔭 #CometWatch
C/1996 R3 (Lagerkvist)
1996 Sep 13: Disc by K. I. Lagerkvist (Chile) at 18.5 mag. The comet was well past perihelion (1995 Jul 20 at 5.21 au) and did not become brighter. Last seen Oct 30. I was involved with orbit improvement (see link in ALT text).
☄️🔭 #CometWatch
Surprise! A bright new comet is entering darker skies, with a relatively close approach with Earth (~0.25 AU) in October! Read more about this discovery (provisionally designated SWAN25B) in my latest blog post! 😄
#CometWatch #ESA #NASA
#CometWatch #ESA #NASA
A Bright New Comet Discovered in SOHO/SWAN Images!
While comets such as 3I/ATLAS and C/2025 A6 (Lemmon) have currently been our main focus, it turned out that another interesting object — magnitude +7 — was quietly lurking in daylight! Provisionall…
skyhuntblog.wordpress.com
September 14, 2025 at 4:47 PM
Surprise! A bright new comet is entering darker skies, with a relatively close approach with Earth (~0.25 AU) in October! Read more about this discovery (provisionally designated SWAN25B) in my latest blog post! 😄
#CometWatch #ESA #NASA
#CometWatch #ESA #NASA
About 37 years ago, the final moments of #comet C/1988 Q1 were captured by the Solar Maximum Mission. The below animation contains the only images of this sungrazer, which may have reached negative magnitudes prior to disintegrating! Image credit: The HAO/SMM C/P project team & #NASA
#CometWatch
#CometWatch
August 31, 2025 at 12:23 PM
About 37 years ago, the final moments of #comet C/1988 Q1 were captured by the Solar Maximum Mission. The below animation contains the only images of this sungrazer, which may have reached negative magnitudes prior to disintegrating! Image credit: The HAO/SMM C/P project team & #NASA
#CometWatch
#CometWatch
Yayy more #Raman spectroscopy of #micrometeorites! 😁☄️
During these past weeks, the team has been busy analyzing many newly-found modern and fossil #micrometeorites! Featured in today's post is Clara and Samuele picking out new samples, as well as Maxwell and Trygve measuring their samples with the #Raman spectrometer! ☄️
@amgc-vub.bsky.social
@amgc-vub.bsky.social
August 28, 2025 at 9:26 AM
Yayy more #Raman spectroscopy of #micrometeorites! 😁☄️
Yesterday a fragment of Kracht-II group comet P/2002 R5 (SOHO) was reobserved! This periodic comet likely split in 2002 and was recovered as two fragments in 2008, then as four in 2014 and 2019! It was recovered in public data from the CCOR-1 telescope, but was also visible in LASCO. ☄️
#CometWatch
#CometWatch
August 16, 2025 at 3:20 PM
Yesterday a fragment of Kracht-II group comet P/2002 R5 (SOHO) was reobserved! This periodic comet likely split in 2002 and was recovered as two fragments in 2008, then as four in 2014 and 2019! It was recovered in public data from the CCOR-1 telescope, but was also visible in LASCO. ☄️
#CometWatch
#CometWatch
Reposted by Trygve Prestgard
#bskycometography no. 271
115P/1985 Q1 (Maury)
1985 Aug 16: Discovered by A. J. Maury (USA) on POSS plates at 16 mag. The comet was past perihelion (Jun 8 at 2.01 au) and did not become brighter. It was last seen on 1986 Jan 7. Period 8.84 years. The comet was recovered in 1994.
☄️🔭 #CometWatch
115P/1985 Q1 (Maury)
1985 Aug 16: Discovered by A. J. Maury (USA) on POSS plates at 16 mag. The comet was past perihelion (Jun 8 at 2.01 au) and did not become brighter. It was last seen on 1986 Jan 7. Period 8.84 years. The comet was recovered in 1994.
☄️🔭 #CometWatch
August 16, 2025 at 2:18 PM
#bskycometography no. 271
115P/1985 Q1 (Maury)
1985 Aug 16: Discovered by A. J. Maury (USA) on POSS plates at 16 mag. The comet was past perihelion (Jun 8 at 2.01 au) and did not become brighter. It was last seen on 1986 Jan 7. Period 8.84 years. The comet was recovered in 1994.
☄️🔭 #CometWatch
115P/1985 Q1 (Maury)
1985 Aug 16: Discovered by A. J. Maury (USA) on POSS plates at 16 mag. The comet was past perihelion (Jun 8 at 2.01 au) and did not become brighter. It was last seen on 1986 Jan 7. Period 8.84 years. The comet was recovered in 1994.
☄️🔭 #CometWatch
Today SOHO/LASCO C3 caught this cool image of a bunch of dust passing infront of the camera. It's likely the result of debris released by the spacecraft's insulation layers from a tiny micrometeorite impact. ☄️
August 10, 2025 at 8:28 AM
Today SOHO/LASCO C3 caught this cool image of a bunch of dust passing infront of the camera. It's likely the result of debris released by the spacecraft's insulation layers from a tiny micrometeorite impact. ☄️
Nine years ago this beautiful Kreutz-group sungrazer (SOHO-3109) was plunging towards its demise! Likely reaching mag 0 at its brightest, it is one of the brightest SOHO-discovered comets ever observed! ☄️ #CometWatch
August 3, 2025 at 12:37 PM
Nine years ago this beautiful Kreutz-group sungrazer (SOHO-3109) was plunging towards its demise! Likely reaching mag 0 at its brightest, it is one of the brightest SOHO-discovered comets ever observed! ☄️ #CometWatch
Reposted by Trygve Prestgard
WE PUBLISH: INTERSTELLAR VISITORS AND ELUSIVE EXTRASOLAR METEORITES to exemplify how Oort cloud objects gravitationally perturbed by stellar encounters can simulate interstellar visitors:
www.astroscu.unam.mx/rmaa/RMxAC.....
Based in our #Icarus journal paper:⤵️
www.sciencedirect.com/science/arti...
www.astroscu.unam.mx/rmaa/RMxAC.....
Based in our #Icarus journal paper:⤵️
www.sciencedirect.com/science/arti...
July 15, 2025 at 4:28 PM
WE PUBLISH: INTERSTELLAR VISITORS AND ELUSIVE EXTRASOLAR METEORITES to exemplify how Oort cloud objects gravitationally perturbed by stellar encounters can simulate interstellar visitors:
www.astroscu.unam.mx/rmaa/RMxAC.....
Based in our #Icarus journal paper:⤵️
www.sciencedirect.com/science/arti...
www.astroscu.unam.mx/rmaa/RMxAC.....
Based in our #Icarus journal paper:⤵️
www.sciencedirect.com/science/arti...
Had a really nice time at #Goldschmidt2025 in Prague! 😁
Had an incredible time at #Goldschmidt2025! We are delighted, and grateful, to have been able to present our ongoing research on micrometeorites. Here’s a group photo with all the participants! 😊☄️ @amgc-vub.bsky.social
July 15, 2025 at 9:21 AM
Had a really nice time at #Goldschmidt2025 in Prague! 😁
Reposted by Trygve Prestgard
#bskycometography no. 136
C/1951 G1 (Groeneveld)
1951 Apr 2: Disc by I. Groeneveld (USA) as a 15 mag small diffuse object. Announced in 1954 as unconfirmed. Finally confirmed by G. W. Kronk & yours truly in further images of the same survey (Mar 31-Apr 7). Announced in 2023.
☄️🔭 #CometWatch
C/1951 G1 (Groeneveld)
1951 Apr 2: Disc by I. Groeneveld (USA) as a 15 mag small diffuse object. Announced in 1954 as unconfirmed. Finally confirmed by G. W. Kronk & yours truly in further images of the same survey (Mar 31-Apr 7). Announced in 2023.
☄️🔭 #CometWatch
April 2, 2025 at 3:05 PM
#bskycometography no. 136
C/1951 G1 (Groeneveld)
1951 Apr 2: Disc by I. Groeneveld (USA) as a 15 mag small diffuse object. Announced in 1954 as unconfirmed. Finally confirmed by G. W. Kronk & yours truly in further images of the same survey (Mar 31-Apr 7). Announced in 2023.
☄️🔭 #CometWatch
C/1951 G1 (Groeneveld)
1951 Apr 2: Disc by I. Groeneveld (USA) as a 15 mag small diffuse object. Announced in 1954 as unconfirmed. Finally confirmed by G. W. Kronk & yours truly in further images of the same survey (Mar 31-Apr 7). Announced in 2023.
☄️🔭 #CometWatch
How amazing! The Great Comet of 1744 appears to be periodic, with an estimated return in 2097! ☄️😀
#CometWatch
#CometWatch
Finally! The paper is out!
Want to see a naked eye daylight comet? Mark your calendars for 2097! At least if the "ancestry line" given in the paper is correct. Sadly, I won't live to see it. Would I bet my money? I'd say yes.
www.sciengine.com/JAHH/doi/10....
☄️🔭 #CometWatch #histsci #histastro
Want to see a naked eye daylight comet? Mark your calendars for 2097! At least if the "ancestry line" given in the paper is correct. Sadly, I won't live to see it. Would I bet my money? I'd say yes.
www.sciengine.com/JAHH/doi/10....
☄️🔭 #CometWatch #histsci #histastro
April 28, 2025 at 3:58 PM
How amazing! The Great Comet of 1744 appears to be periodic, with an estimated return in 2097! ☄️😀
#CometWatch
#CometWatch