These images are all
of Distant Galaxies or Star Clusters.
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This first batch of images were taken by
Most Images cover a minimum of 1.7 arc seconds per pixel. NGC891
RGB Optical Guidance Systems Ritchie Cretien 12.5 F9 / Camera a
Finger lakes Site chip.
M33 High Res RGB Optical Guidance Systems Ritchie
Cretien 12.5 F9 / Camera a Finger lakes Site chip
Taken with a 10" f/6 Newtonian Hypered Tech
Pan film 140 minute exposure (manually guided) Date of exposure:
10-7/8-94 Location of site: Gates Co., NC, USA. Taken by Scott
Astrophotography home page
The next two Images below were take by Tommy Taylor.
M-102 was taken at 200 seconds with dark frame subtraction. Finally,
there is an M-15, shot with the same Celestron/ST-7E set up but
with an Astro-Physics mount replacing the original Celestron fork
taken at the end of October, 2000. This is a RGB composite with
120 seconds for Red and Green and 150 seconds for Blue.
The image below of M51 is a combination of 18
five minute exposures. Taken by Rockett Crawford with a ST-7 ABG
CCD camera. The telescope was Celestron 11" SCT on a Losmandy G-11
mount using a F/5 focal reducer (1375mm). Location was in Oklahoma.
Image processing was flat field correction, DDP, and some histogram
stretching. Date taken was May 28 1999.
The image below of M13 is a combination of
10 five minute exposures. Taken by Rockett Crawford with a ST7
ABG CCD camera. The telescope was a Intes MN61 6 inch F/6 Maktusov-Newtonian
on a Losmandy G-11 mount. Location was in Oklahoma. Image processing:
Flat field correction, DDP, and histogram stretching. Date taken:«
July 22 2000. Note: I had dew zapper off and corrector plate
became fogged over at some point in the image acquisition. I'm
going to reshoot this one again soon.