Črni Vrh Observatory - C/2021 A1 (Leonard)

Comet C/2021 A1 (Leonard)

December 28, 2021
	Wide filed image of comet C/2021 A1 (Leonard), obtained on 2021 December 28 (around 20h UT) from the Roque de los Muchachos Observatory (ORM) on La Palma, Canary Islands, with Canon 50 mm, f/1.8 lens (closed to f/2) and Canon M100 camera. Exposure time was 5 minutes (10x30 seconds) at ISO 800 The comet tail extends for about 20 degrees. Copyright © 2021 by Jure Skvarc.
	Image of comet C/2021 A1 (Leonard), obtained on 2021 December 28 (19h39-19h46UT) from the Roque de los Muchachos Observatory (ORM) on La Palma, Canary Islands, with 200 mm, f/3.2 hypergraph and Canon 6D camera. Exposure time was 5 minutes (20x15 seconds) at ISO 3200. Image scale is 5.4 arc sec/pixel. Copyright © 2021 by Jure Skvarc.
December 27, 2021
	Image of comet C/2021 A1 (Leonard), obtained on 2021 December 27 (19h44-19h49UT) from the Roque de los Muchachos Observatory (ORM) on La Palma, Canary Islands, with 400 mm, f/4 lens and Canon 6D camera. Exposure time was 5 minutes (10x30 seconds) at ISO 3200. Image scale is 2.9 arc sec/pixel. Copyright © 2021 by Jure Skvarc.
December 8, 2021
	Image of comet C/2021 A1 (Leonard), obtained on 2021 December 8 (3h54-4h15UT) with 15-cm, f/6 Maksutov astrocamera and Canon EOS 6D DSLR. Exposure time was 20 minutes (20x60 seconds) at ISO 3200. Total exposure time 20 minutes. FOV is 2.22^o x 1.48^o. Image scale is 5.8 arc sec/pixel. Copyright © 2021 by H. Mikuz, Crni Vrh Observatory.
	Image of comet C/2021 A1 (Leonard), obtained on 2021 December 8 (4h35-4h56UT) with 19-cm, f/4 Flat Field Camera and Canon EOS 700D DSLR. Exposure time was 20 minutes (20x60 seconds) at ISO 3200. FOV is 1.65^o x 1.10^o. Image scale is 4.7 arc sec/pixel. Copyright © 2021 by H. Mikuz, Crni Vrh Observatory.
December 7, 2021
	Image of comet C/2021 A1 (Leonard), obtained on 2021 December 7 (4h02-4h06UT) with 19-cm, f/4 Flat Field Camera and Canon EOS 700D DSLR. Exposure time was 4 minutes (4x60 seconds) at ISO 3200. FOV is 1.5^o x 1.0^o. Image scale is 4.7 arc sec/pixel. Copyright © 2021 by H. Mikuz, Crni Vrh Observatory.