S Hydrae
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shydrae.bsky.social
S Hydrae
@shydrae.bsky.social
Geographer by trade, and student of landscapes, urban and natural. Sketching, especially in line and wash. Judaism. And cats of course.

I went hunting wild after the wildest beauty in the world — W Owen

Also at @mappingcat@mastodon.art
For @rincewind.run. #NoKings in Davis, Ca.
October 18, 2025 at 9:32 PM
Last night was first light for my new Seestar S50! Here is an image of the Double Cluster in Perseus (NGC 869 and NGC 884) taken from my backyard, 4 minutes integration time.
#astronomy #astrophotography
December 5, 2024 at 6:02 PM
The #aurora from the northern edge of Davis, California. I was barely able to make out the aurora visually (much easier with the camera), so this is the first time I've seen an aurora with my own eyes! 🔭
October 11, 2024 at 4:15 AM
The final sketch for this year's #invertober is a Halloween pennant dragonfly (Celithemis eponina).

#invertober2023 #SciArt #invertebrates
November 1, 2023 at 3:05 AM
A sketch of a leopard slug (Limax maximus) for #invertober.

#invertober2023 #SciArt #invertebrates
October 31, 2023 at 2:50 AM
A sketch of a tiger centipede (Scolopendra polymorpha), sometimes called a common desert centipede, for #invertober.

#invertober2023 #SciArt #invertebrates
October 29, 2023 at 11:19 PM
A sketch of a striped pyjama squid (Sepioloidea lineolata) for #invertober.

#invertober2023 #SciArt #invertebrates
October 28, 2023 at 11:20 PM
A sketch of an Iceland scallop (Chlamys islandica) for #invertober.

#invertober2023 #SciArt #invertebrates
October 28, 2023 at 2:40 AM
A sketch of a torpedo bug (Siphanta acuta) for #invertober.

#invertober2023 #SciArt #invertebrates
October 27, 2023 at 2:28 AM
A sketch of a horned sea star (Protoreaster nodosus), sometimes called a chocolate chip sea star, for #invertober.

#invertober2023 #SciArt #invertebrates
October 26, 2023 at 2:59 AM
A sketch of an African monarch butterfly (Danaus chrysippus) for #invertober.

#invertober2023 #SciArt #invertebrates
October 25, 2023 at 2:39 AM
A sketch of an Asian forest scorpion (Heterometrus spinifer) for #invertober.

#invertober2023 #SciArt #invertebrates
October 24, 2023 at 2:32 AM
A sketch of a red velvet ant (Dasymutilla occidentalis) for #invertober. This is a species of mutillid wasp found in the eastern United States which has an extremely painful sting.

#Invertober2023 #SciArt #invertebrates
October 22, 2023 at 10:56 PM
A sketch of a pink crab spider (Thomisus robustus) for #invertober.

#invertober2023 #SciArt #invertebrates
October 22, 2023 at 2:34 AM
A sketch of a European mantis (Mantis religiosa) for #invertober.

#invertober2023 #SciArt #invertebrates
October 21, 2023 at 2:37 AM
A sketch of a white-spotted jellyfish (Phyllorhiza punctata) for #invertober.

#invertober2023 #SciArt #invertebrates
October 20, 2023 at 3:00 AM
A sketch of a reddish-brown stag beetle (Lucanus capreolus) for #invertober.

#invertober2023 #SciArt #invertebrates
October 19, 2023 at 3:34 AM
A sketch of a blue morpho butterfly (Morpho peleides) for #invertober.

#invertober2023 #SciArt #invertebrates
October 18, 2023 at 1:42 AM
A sketch of a fuchsia flatworm (Pseudoceras ferrugineus) for #invertober.

#invertober2023 #SciArt #invertebrates
October 17, 2023 at 3:00 AM
A sketch of an owlfly (Libelloides macaronius) for #invertober.

#invertober2023 #SciArt #invertebrates
October 16, 2023 at 3:13 AM
A sketch for #invertober of a blue glaucus (Glaucus atlanticus), sometimes called a sea swallow, which is a species of pelagic nudibranchs.

#invertober2023 #SciArt #invertebrates
October 15, 2023 at 12:19 AM
An ink and wash sketch of a devastating grasshopper (Melanoplus devastator) for #invertober.

#invertober2023 #SciArt #invertebrates
October 14, 2023 at 2:26 AM
A sketch of an eelgrass isopod (Pentidotea resecata) for #invertober.

#Invertober2023 #SciArt #invertebrates
October 13, 2023 at 4:24 AM
An ink and wash sketch of a fruit fly (Drosophila melanogaster) for #invertober.

#invertober2023 #SciArt #invertebrates
October 12, 2023 at 5:09 AM
A sketch of a periodical cicada (Magicicada septemdecim) for #Invertober.

#Invertober2023 #SciArt #invertebrates
October 11, 2023 at 3:40 AM