Deep Sky Object in Winter
NGC1973 (Diffused Nebula in Orion)

Click on image to enlarge

Date & Time: Feb 25 2022, from 22:39 to 23:16 JST(+0900)
Composed 10 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


NGC1973 / Diffused Nebula, type 1 E
R.A.05h 35m 25.0s (2000.0)
Dec.-04° 47' 00" (2000.0)
Apparent Size29.0×20.0'
Real Size10 light yrs.
Magnitude -
Distance1630 light yrs.
Other IDsNGC1975, SH2 -279
This emission nebula is lying only 1 degree north of the Great Orion Nebula (M42), very familiar to astro-photographers because they're capturing one of the most photogenic objects in heavens with this NGC1973 in same flames. The nebula has been spread out in span of about 20-by-30 arc minutes, we can recognize very complicated gaseous matters in the nebula. Those hydrogen inter-stellar clouds are same that of M42 and various nebulosities around this field.



NGC1788
NGC1999, IC430 & Herbig-Haro object

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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