M27 with Vixen R200SS
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| Date | : | 07 Jul 06 (?) |
| Optical system | : | Vixen R200SS + MPCC + unmodd Canon EOS 350D body |
| Effective F.L. & F ratio | : | 800 mm @ F4 |
| Mount | : | Vixen old version ATLUX equatorial |
| Camera setting | : | Jpeg format @ iso800 w/ NR on |
| Total exposure | : | 3 x 45s |
| Guiding | : | Unguided |
| Stacking & processing | : | Stacking in Registax 3.0, Level & Curve stretching in Photoshop 7.0. |
| Sky & Air conditions | : | T = 6/10 @ temp ~ 28 oC w/1st quarter moon on western sky |
| Place of photographing | : | PTC coach carpark in Sai Kung, Hong Kong |
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Remark |
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A test shot to see how a DSLR could do on capturing deep sky objects under moon lit sky before my trip to Australia |
Comments after test :
Digital imaging is really very powerful. I didn't imagine this nebula could be captured under moonlight and with a so short exposure of just 135 sec in total. If replaced by films, I thought it would be impossible.
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© All images are copyright William L.T. Ng.