astroimages
Darin E. Fields' Astrophotography Pages
 

M27: The Dumbell Planetary Nebula in Vulpecula

Right Ascension 19 : 59.6 (h:m)
Declination +22 : 43 (deg:m)
Distance 1.25 (kly)
Visual Brightness 7.4 (mag)
Apparent Dimension 8.0x5.7 (arc min)
More information on M27

Exposure: 36 minute RGB exposure. R=12 minutes(3x240 sec.), G=12 minutes(3x120 sec.), B=12 minutes (3x240 sec.).
Guiding: ST-4 on the ST80 @ f/10.
Telescope: 8" Apogee Newtonian f/4
Camera:ST-237 cooled at -28c
Acquisition and Processing:MaximDL, PhotoShop
Date:5/23/02
m27-rgb-4:

Exposure: 44 minute LRGB. L=10 minutes (10x60 sec.), R=10 minutes(10x60 sec.), G=12 minutes(12x60 sec.), B=12 minutes (12x60 sec.).
Guiding: ST-4 on the Meade 90mm f/11.
Telescope: 8" Apogee Newtonian f/4
Camera:ST-237 cooled at -12c
Processing:CCDOPS, MaximDL PhotoShop
Date:8/6/01
m27lrgb-5a: