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Emil

27 Dec 2011 22:11


NGC1931(oc-en) H-alfa

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Expuneri 18x900 secunde
Foto: QHY9M cu TS ED-APO 90/500 mm, corector TS 2"
Roata de filtre: Starlight Xpress
Filtru: Astrodon 6nm H-alfa
Ghidaj: ATIC 16IC prin Celestron 102/660 mm filtru UHC
Montura: EQ-6 Pro prin EQMOD

Solutie astrometrica
Solving using 4739 image and 223 catalog stars
Matched 95 of 4739 image and 223 catalog stars;
Average residual 0.4 arcsec; order 4
RA 05h 31m 30s,  Dec +34° 14' 30"
Pos Angle +271° 27', FL 496.3 mm, 2.24"/Pixel

Corectie prin darks,procesare Maxim

Pe anumite forumuri acest grup de obiecte mai este numit "The Spider and the Fly"