vdB105
Reflection Nebula in Ophiuchus

About
A reflection nebula in Ophiuchus. SIMBAD lists it under HD 147889, a B2 main-sequence star of magnitude 7.9 whose parallax puts it about 450 light-years away.
Imaging tips
- Framing runs 3030–5050 mm on APS-C; the nebula is about 8′ across.
- A reflection nebula, so shoot broadband (LRGB or one-shot colour) rather than narrowband.
- Best around May and June; it peaks near 15.5° altitude from 50°N, so it stays very low there.
Facts
- Size
- 8′
- Magnitude
- —
- Coordinates
- RA 16h 25.4m, Dec −24° 28′
- Framing, APS-C
- 3030–5050 mm
- Framing, full frame
- longer than 4000 mm
- Best months
- May, Jun
- Peak altitude
- 16° from 50°N, 31° from 35°N