#TCrB
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t-crb-tracker.bsky.social
Star Data Update:
• Magnitude: 9.933 ± 0.057
• Color: ⬤
• Class: Subdwarf
• Spectral Type: B
• Color Index (B-V): 0.1
• Temperature: 9028K
Observed at: 2025-10-30 03:54:19 UTC
#Astronomy #TCrB
October 30, 2025 at 3:54 AM
huubeggen.bsky.social
Nice pass of space station #ISS tonight. Image taken 23 September 2025 20:44:17 CEST (UT+2). Constellation Hercules just right of ISS. At centre right a faint trail of a Starlink shows up. @leonoor.bsky.social @johannesbeers.bsky.social @daveatcogs.bsky.social
The image shows a starry sky above a building, with the top of a chimey at right. In the centre of the image a light streak is visible. This is ISS. At centre right close inspection shows another trail. This is a Starlink. For those interested above and to the right of the chimney is constellation Northern Crown or Corona Borealis. Very faint star TCrB in this constellation is expected to flare up to easily visible to the unaided eye for just a few days. This event had been predicted for over a year ago, but nothing has happened as yet. Still I keep an eye on it, because it could happen any moment, eventually ...
September 23, 2025 at 7:19 PM
t-crb-tracker.bsky.social
Magnitude: 11.2828 ± 0.0013
Observed at: 2025-02-10 15:09:59 UTC.
#Astronomy #TCrB
February 10, 2025 at 3:10 PM
t-crb-tracker.bsky.social
Magnitude: 10.141 ± 0.005
Observed at: 2025-02-09 00:45:53 UTC.
#Astronomy #TCrB
February 9, 2025 at 12:45 AM
t-crb-tracker.bsky.social
Magnitude: 11.2683 ± 0.0015
Observed at: 2025-02-06 23:09:36 UTC.
#Astronomy #TCrB
February 6, 2025 at 11:09 PM
t-crb-tracker.bsky.social
Magnitude: 9.959 ± 0.005
Observed at: 2025-02-06 03:18:02 UTC.
#Astronomy #TCrB
February 6, 2025 at 3:18 AM
t-crb-tracker.bsky.social
Magnitude: 9.991 ± 0.052
Observed at: 2025-03-01 22:07:52 UTC.
#Astronomy #TCrB
March 1, 2025 at 10:07 PM
t-crb-tracker.bsky.social
Magnitude: 11.0196 ± 0.0004
Observed at: 2025-03-03 17:08:49 UTC.
#Astronomy #TCrB
March 3, 2025 at 5:08 PM
t-crb-tracker.bsky.social
Magnitude: 11.1225 ± 0.0006
Observed at: 2025-03-02 21:32:18 UTC.
#Astronomy #TCrB
March 2, 2025 at 9:32 PM
t-crb-tracker.bsky.social
Magnitude: 10.070 ± 0.001
Observed at: 2025-03-05 05:38:17 UTC.
#Astronomy #TCrB
March 5, 2025 at 5:38 AM
t-crb-tracker.bsky.social
Magnitude: 10.082 ± 0.044
Observed at: 2025-02-22 11:32:37 UTC.
#Astronomy #TCrB
February 22, 2025 at 11:32 AM
t-crb-tracker.bsky.social
Magnitude: 9.991 ± 0.008
Observed at: 2025-02-21 11:32:45 UTC.
#Astronomy #TCrB
February 21, 2025 at 11:32 AM
t-crb-tracker.bsky.social
Magnitude: 10.097 ± 0.006
Observed at: 2025-02-15 04:11:04 UTC.
#Astronomy #TCrB
February 15, 2025 at 4:11 AM
t-crb-tracker.bsky.social
Magnitude: 11.2609 ± 0.0104
Observed at: 2025-02-16 17:32:09 UTC.
#Astronomy #TCrB
February 16, 2025 at 5:32 PM
t-crb-tracker.bsky.social
Magnitude: 10.081 ± 0.006
Observed at: 2025-02-14 13:16:55 UTC.
#Astronomy #TCrB
February 14, 2025 at 1:16 PM
t-crb-tracker.bsky.social
Magnitude: 10.277 ± 0.003
Observed at: 2025-01-28 17:33:21 UTC.
#Astronomy #TCrB
January 28, 2025 at 5:33 PM
t-crb-tracker.bsky.social
Magnitude: 10.112 ± 0.060
Observed at: 2025-01-23 21:32:38 UTC.
#Astronomy #TCrB
January 23, 2025 at 9:32 PM
t-crb-tracker.bsky.social
Magnitude: 10.064 ± 0.005
Observed at: 2025-01-28 14:09:26 UTC.
#Astronomy #TCrB
January 28, 2025 at 2:09 PM
t-crb-tracker.bsky.social
Magnitude: 11.3678 ± 0.0003
Observed at: 2025-01-26 06:39:09 UTC.
#Astronomy #TCrB
January 26, 2025 at 6:39 AM
t-crb-tracker.bsky.social
Magnitude: 11.3678 ± 0.0003
Observed at: 2025-01-25 23:08:26 UTC.
#Astronomy #TCrB
January 25, 2025 at 11:08 PM
t-crb-tracker.bsky.social
Magnitude: 11.4085 ± 0.0006
Observed at: 2025-01-24 19:32:41 UTC.
#Astronomy #TCrB
January 24, 2025 at 7:32 PM
bgo.observatory.social.ap.brid.gy
At 23:46:28 #bgosays I just took this image for Tiffany Fields of BGO-899-TCRB (ID 26340) in the CLR filter!
August 12, 2024 at 2:46 AM
t-crb-tracker.bsky.social
Magnitude: 11.135 ± 0.082
Observed at: 2025-02-28 11:08:27 UTC.
#Astronomy #TCrB
February 28, 2025 at 11:08 AM
t-crb-tracker.bsky.social
Star Data Update:
• Magnitude: 2
• Color: ⬤
• Class: Subdwarf
• Spectral Type: B
• Color Index (B-V): 0.1
• Temperature: 9028K
Observed at: 2025-03-29 10:09:58 UTC
#Astronomy #TCrB
March 29, 2025 at 10:10 AM
t-crb-tracker.bsky.social
Star Data Update:
• Magnitude: 2
• Color: ⬤
• Class: Subdwarf
• Spectral Type: B
• Color Index (B-V): 0.1
• Temperature: 9028K
Observed at: 2025-03-31 22:10:02 UTC
#Astronomy #TCrB
March 31, 2025 at 10:10 PM