NGC 3998, 3982 Group of Galaxies - Sketch
Location and conditions: Borot Lutz area, Negev desert, Israel, ~6.6 NELM.
Date and time: 13-14/04/2018
Instrument: VX12 300mm F/4 Newtonian, Paracorr T1, 13mm Vixen LVW (106x, 0.61°).
Drawing details: Graphite pencil sketch on a white paper, made while observing with telescope under a red light. Scanned, inverted and processed in Photoshop. Observer: Michael Vlasov.
Objects in the field of view:
NGC 3998: elliptical galaxy (SO), magnitude: 10.7m, s.b: 12.5
NGC 3990: elliptical galaxy (E-SO), magnitude: 12.6m, s.b: 12.6
NGC 3977: spiral galaxy (Sab), magnitude: 13.4m, s.b: 14.3
NGC 3972: spiral galaxy (Sab), magnitude: 12.3m, s.b: 13.7
NGC 3982: spiral galaxy (SBb), magnitude: 11.0m, s.b: 12.5
(Data from SAC 8.1 database)
Original drawing: