Leo Cluster (Abell 1367) - Panoramic Sketch
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Object details: Abell 1367 - "Leo Cluster", cluster of galaxies in Leo, distance 330 Mly
Location and conditions: Negev desert, Israel, ~6.7 NELM, bortle 2-3, ~zenith.
Date and Time: 14-15/04/2021 , 01:30 (UT+3)
Instrument: VX12 F/4 Newtonian, 7mm Televue Delite.
Drawing details: Graphite pencil sketch on a white paper, made while observing with telescope under a red light. Scanned, inverted and processed in Photoshop. The brightness is slightly exagerrated for presentation purposes. Several eyepiece FOVs are shown.
Observer: Michael Vlasov.
Objects data and observer's notes:
NGC 3842: elliptical galaxy, magnitude 11.8m, s.b. 12.2
brightest galaxy
in the cluster, relatively large, slightly elliptic, with a stellar nucleus.
Most of the fainter galaxies were visible with averted vision only.
PGC 36512: galaxy, magnitude 15.1m
PGC 36458: galaxy, magnitude ~15.2m *
UGC6719: spiral galaxy, magnitude 13.6m, s.b. 13.4
PGC 36544: galaxy, magnitude 14.9m
NGC 3840: spiral galaxy, magnitude 13.8m, s.b. 13.5
NGC 3844: spiral galaxy, magnitude 13.9m, s.b. 12.4
PGC 36457: galaxy, magnitude ~16.1m *
NGC 3861 (A): spiral galaxy, magnitude 13.8m, s.b. 13.5
NGC 3851: elliptical galaxy, magnitude 15.2m
NGC 3845: spiral galaxy, magnitude 14m, s.b. 12.5
NGC 3841: spiral galaxy, magnitude 13.6m, s.b. 12.6
UGC 6697: spiral galaxy, magnitude 13.6m, s.b. 12.9
PGC 169975: galaxy, magnitude ~15.8m *
NGC 3837: elliptical galaxy, magnitude 13.3m, s.b. 12.2
PGC 36510: galaxy, magnitude 15.5m
PGC 36503: galaxy, magnitude 15.3m
PGC 36465: galaxy, magnitude 15.2m
PGC 36494: galaxy, magnitude ~15.9m *
NGC 3860 (A): spiral galaxy, magnitude 14.5m
IC 2951:
galaxy, magnitude 14.5m
UGC 6683:
galaxy, magnitude 15.2m
Note: * indicate visual magnitudes from PGC catalog which is usually inaccurate
Original drawing: