Continue..
Helix nebula: Observed this one again after long time. In 17T4 70x fills up the center and probably lil smaller than lagoon nebula. but lagoon is brighter than Helix. With Cel 2" OIII filter, increases the contrast heavily. Everything is white fuzzy, can not see any details.Center doesnt have much fussiness, but dont see any star in the middle either.
With filter ON, checked veil and little dumbbell again.
North American nebula: It is hard to see anything here. Probably the size. with filter on 17T4, 70x, its not gonna help much. Need to try Jon's refractor UWAN combo with filter ON. or my 30mm with filter.
M27 Dumbbell: Without filter also, its an awesome sight. With filter, can clearly see more fuziness just outskirts of the dumbbell.
M57 Ring: At 70x, 17T4, the ring is tiny, but with filter ON it shows huge contrast. Donut shape is marvelous. the brightness definitely pops up in the eye. Distinctive bluish color. More mags on this one is better, but because of filter i stayed with 17T4 only.
Because the filter was still on.. looked for nearby tiny PNs in skymap.
Aquila pn: triple cave: one of them 6804: Jon had never seen this before.. in some sense its difficult to locate. Definitely faint that our usual tiny PNs (snowball, saturn)..but stil you can see it. Exactly between two field stars. HArd to find it in jon's scope.. not sure why.. After 10mins search, we got this one on his scope. Lil brighter in his scope.. surely bigger aperture helps. Map says there should be 2 PNs with 0.5 deg view.. but we saw only one. They are +12.6, +11.2 mags.. 6804 is fainter but bigger than 6803. 6803 is definitely harder.. will try next time. 6807 in triple cave doesn't seem feasible to me..
http://www.umich.edu/~lowbrows/reflections/2002/dscobel.7.html
Aquila globular: In the process, saw a globular..but its not even mentioned in my skymap. Need to read more. check wikisky. (Read more.. there is no globular here..probably just concentration of stars and nothing more.. false alarm)
Sculptor GC 288, Gal 253:
Just before moonrise, asked Jon for older Sculptor galaxy. somehow both of us had hard time o nthis one becase of mismatched location of "TBD" star. but i figred out the correct location and we saw both GC and the gla.. Both objects, esp GC shows up in finder smoothly. Gal is NW of it in 2-3 deg apart. Gal is way too elongated and seemed like a white strip. both objects are indeed bright. Need to read more details.
Moon: Observed moon thru refractor. Din't see much color problem in achro. Probabaly because moon was still on horizon..not too bright..and more yellowish than white.. Jon's 16.5" shows marvellous views of moon..no doubt.. seeing was bad being moon on horizon..
Jupiter: Observed Jupiter multiple times during the night.. thru all instruments.
1 sat + disk + 3 sat alignment. Binoc showed it clearly too. thoug hinitially seeing was bad, jupiter was again a masterpiece.. crispy shot 180x.. 3 bands so clearly visible.. with some dark spot at the center on NE band.
For Next time:
Saggi: m54, m70, m69, GC in M7, m18-swan, m55
Aquila: m11-26,
Capri: m75
Oph: m9
Sco: m19, m80
Peg: m15
Cyg: m29, blinking pn, Veil third component, m39
Her: m92
Lyr: m56
Cassi-Per: Try to picturize shapes in messier OCS.
Scl and For browsing
what is LDN ? how to observe them? Lynds dark nebula catalog..skipping it for a while.
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