.
Most Images cover a minimum of 1.7 arc seconds per pixel. M1 High
Res RGB Optical Guidance Systems Ritchie Cretien 12.5 F9 / Camera
a Finger lakes Site chip.
M27 High Res RGB Optical Guidance Systems Ritchie Cretien
12.5 F9 / Camera a Finger lakes Site chip
IC434 RGB Optical Guidance Systems Ritchie Cretien 12.5 F9
/ Camera a Finger lakes Site chip
M42 Trapezium 3,255mm High res RGB Astrophysics 6" F21 /
SBIG ST7E
M16 B/W High Res using a Astrophysics 6" F7 / SBIG ST7E
The below image is from David on his first night
at Astrophotography:
8" skywatcher newt F5, Fuji 800 Superia film, 2x barlow
making it F10, 8 minute exposure, Moderately light polluted
skies
Pentax K1000 camera, Home brew web cam autoguided with Quickcam
VC, Tasco 60mm & laptop software.
The batch of images below were taken by Tommy
Taylor. Under the guidance of John Sefick (who was the founder,
principal donor and original director of the Chaco Observatory)
for the below two nebula shots. The two images (Flame/Horsehead
and Orion Nebulae) taken in September, 2000, at the Chaco Observatory
(Chaco Culture National Historical Park, NM). Both were taken
with a 5" f4 Takahashi and an ST-8E camera using adaptive optics.
The images were composed from 5 minute exposures in red and
green and 6 minutes exposure in blue, with dark frame subtraction.
The (Ring Nebula and M-102), taken at Chaco in
October, 2000. This was taken using a 14" Celestron SCT at f7
and an ST-7E camera using adaptive optics. The Ring was taken
at 5 minutes with dark frame subtraction.
The Picture below was taken by Pat Saunders.
Here's a picture of the Horsehead Nebula. Scope:
Takahashi FS102 at F8 Camera: F3 HP Film: Kodak EliteChrome
200. Exposure: 1 hour Guider: ST-4 Location: Lower Florida Keys-January
2000
The image of M17 below is a combination of
12 five minute exposures. Taken by Rockett Crawford. Camera:
ST7 ABG CCD. Telescope: Intes MN61 6 inch F/6 Maktusov-Newtonian
on a Losmandy G-11 mount. The location was in Oklahoma. Image
processing: Flat field correction, upper intensity compression,
and histogram stretching. Date taken:« July 3 2000.