Thursday, 31 July 2014

NGC 6520




NGC 6520
Open cluster
Constellation - Sagittarius
Distance 6.2Kly
Mag 7.59

Date 28/7/14
Transparency - Good
SQM 21.33

Telescope 16" f/4.5
EP - 17mm Nagler x129

Sketch notes
Fairly small and compact cluster, built up of mainly faint stars around the same magnitude as the background of Milky way stars.

NGC 6818 - Little Gem nebula




NGC 6818 - Little Gem nebula
Planetary nebula
Constellation - Sagittarius
Distance 6Kly
Mag 9.39

Date 29/7/14
Transparency - Good
SQM 21.565

Telescope 16" f/4.5
EP - Leica ASPH + Baader VIP
Filter - DGM Optics NPB

Sketch notes
Very small and bright with brighter 'lobes' to the N and S.

NGC 6712




NGC 6712
Globular cluster
Constellation - Scutum
Distance 23Kly
Mag 8.1

Date 29/7/14
Transparency - Good
SQM 21.61

Telescope 16" f/4.5
EP - Leica ASPH x223

Sketch notes
Resolvable but mainly built up of faint stars.
Not very exciting as far as globs go...

NGC 6445




NGC 6445 - Crescent nebula
Planetary nebula
Constellation - Sagittarius
Distance 6.4 Kly
Mag 10.9

Date 28/7/14
Transparency - Good
SQM 21.45

Telescope 16" f/4.5
EP - Leica ASPH + Baader VIP x296
Filter - DGM Optics NPB

Sketch notes
Moderate size with lighter areas within to the SW and N.
Few background stars.

NGC 6369 - Little ghost nebula




NGC 6369
Planetary nebula
Constellation - Ophiuchus
Distance 4.9Kly
Mag 11.5

Date 29/7/14
Transparency - Good
SQM 21.49

Telescope 16" f/4.5
EP - Leica ASPH + Baader VIP x371
Filter - DGM Optics NPB

Sketch notes
Small and faint Pn with few background stars.
Using very big magnifications I could see a near perfectly round shape with a trace of a 'shell' from the SE to NW.