M42, M43 오리온 대성운

Great Nebula in Orion
Orion Nebula
M42
NGC 1976
Constellation:  Ori
Dreyer description: A magnificent (or otherwise interesting) object! Theta1 Ori and the great nebula; = M42.
Magnitude:  4.0
RA: 05h 35m 35.1s  Dec: -05°26'38"
RA: 05h 35m 24.0s  Dec: -05°27'00"  (Epoch 2000)
Size:66.0'
Hour angle: -05h 13m 14.0s    Air mass:   9.03


AP130EDF x0.75, ST10XME, EQ1200GTO
L: Ha 5min  x 5 (CS 4.5nm Ha 필터)
RG: 300sec x 3
B: 500sec x 3
2003 10월 25일 덕초현 천문인마을