H-NGC7606
Galaxy in Aquarius
About
An unbarred spiral galaxy in Aquarius, about 98.5 million light-years away, whose two principal arms wind through nearly a full turn. It is isolated and likely hosts a black hole of 15 to 22 million solar masses. Three supernovae have been recorded in it. It is in the Herschel 400.
Imaging tips
- Sources give about 5.4′ × 2.2′, too small to frame: use a long focal length and a fine pixel scale.
- Faint at 22.6 mag/arcsec², so plan many hours of broadband data.
- One imager used six 6-minute exposures with a DSLR and a 1790 mm focal length, about 36 minutes in total.
- Best around August and September, but low: it peaks near 31° from 50°N and 46° from 35°N.
Facts
- Size
- 6′ × 3′
- Magnitude
- 10.8
- Coordinates
- RA 23h 19.1m, Dec −8° 29′
- Framing, APS-C
- longer than 4000 mm
- Framing, full frame
- longer than 4000 mm
- Best months
- Aug, Sep
- Peak altitude
- 32° from 50°N, 47° from 35°N