B 139 (DN)
Dark Nebula in Scutum
| R.A. | Dec. | Size | Mag | SB | Cnt.St | Type | Distance | Chart |
|---|---|---|---|---|---|---|---|---|
| 19h 18m 03.4s | -01° 27′ 52.4″ | 4.3′ | 5.0 | -- | -- | DN | -- | -- |
Source: POSS-2 UK Schmidt Red (STScI) | Field: 15′ × 15′
Background
[Background — fill from astronomical references for B 139.]
My Observing Notes
[Add observing notes here, dated, by aperture.]
References
Charts
Ultra-wide view (~25° field)
Wide-field view with Telrad rings (4°, 2°, 0.5°)
Finderscope view (9×50 RACI, ~4.4° TFOV)
Eyepiece view — 35 mm Panoptic on 12-inch f/5 (1.6° TFOV)