Home |
Planetary Nebulae |
Next Image |
Copyright Andreas Masche |
Object.................: Abell 21(PK 205.1+14.2) in Gemini
Coordinates............: R.A. = 07h 29.1m, DEC = +13° 12'
Optics / Telescope.....: Astrokamera
focal length, f/ratio..: 1025 mm, f/4.1
Total exposure time....: 110 min
Filter.................: Astronomik Type I
Film / CCD / guiding...: ST-8E, guided with STV
Date & location........: Dez 21, 2000, Schauinsland Observatory
Author.................: Andreas Masche, Uli Schüly
Comments...............: LRGB, processed with MIRA
L = 12 x 120 s
R, G, B = 5 x 120 s each