Fremont Peak August 17 2012   SFAA night

Observing window 9:30pm onward

Astro twilight starts around 4:50am

DIM = dim object, difficult under even excellent sky darkness

D – dim but within reach when SQM exceeds 21.38

 

 

Item

Con.

Notes

8:30pm

Mars-Saturn-Spica trio in west

Vir

 

9pm

Saturn

Vir

Saturn’s moons in rare and beautiful arrangement

9pm

Izar

Arc

Extremely close double star, rarely resolved 2.3” separation

beta

10:25pm best

Barnard 133

Aql

sea lion dark nebula
19h 06.2’  -6d 52.43
Very dense!
 

Near zenith passage 10:40pm

NGC 6791

Lyr

OC Extremely rich and beautiful
Requires dark sky or large aperture

11pm best

NGC 6819

Cyg

OC so small and rich!
 

DIM

11:46pm best

Barnard 347

Cyg

Dense dark nebula on bright nebula (DWB 76) background
 
20h 28.5m  +39d 54.5’
 
Length of dark nebula is 3 – 4 minutes

D

Best 11:30pm

Simeis 57

Cyg

‘Propeller nebula’
20h 16.1’ +43d 40.55’
Big – 20’
DWB 111

Best 12:25am

NGC 7027

Cyg

PN
Proto-planetary nebula, use high magnification to see details & central star
Look for double puff
 

DIM

12:20am best

Egg nebula

Cyg

21h 02m 18.75s
+36° 41′ 37.8″

1:18am best

IC 5148

Gru

PN

Large bright and beautiful with thick creamy ring and central star

21 59 35

-39 23 08

 

1:30am onwards

NGC 51 group

And

6 14th – 15th mag galaxies  (2 rows of 3)

Cosmic Challenge item

1:30am best

D

IC 10

Cas

Irregular galaxy – local group

Very dim and difficult

Astro photos show a dark patch

1:45am

NGC 7385 group

Peg

7 NGCs + 4 PGCs

Need map based on survey image

2:06am

eps

Gru

Low object passage

2 degrees

3.46m

Best 2:22am

IC 1464AB

Aqr

Extremely close pair of Gx
Rarely observed or imaged!
 

DIM

2:54am best

Jones 1

Peg

PN

23 35 51

+30 28 27

Need map

3:33am best

NGC 55

Scl

Gx

Local group

 

Best 3:36am

NGC 68 group

And

Gx group

Featured in Nov. ’10 sky&telescope

 

14 plotted by wikisky within 20’ x 10’ rectangle – but one looks like a quad star.

 

Get map based on survey image

D

4am best

MCG 6-2-22A (PGC 2248)

Scl

Cartwheel ring galaxy

mag13.9

0 37 40

-33 43 01

Best 4:05am

Hickson 8

And

4 Gx so close together!

Best 4:47am

Hickson 11

Cet

Beautiful tetrad of galaxies, with spiral in center and 3 others

 

Late 4:30am+

Hickson 14

Cet

Very dim chain of 4 galaxies with bright decorative star nearby

4:13am best

NGC 300

Scl

Gx

 

Late 4:30am+

NGC 1560

Cam

Gx

Local group?

~4:30am

M33

Tri

Near zenith – try to observe naked eye

4:53am

chi

Eri

Low object passage

2 degrees

3.68m

5:13am

phi

Eri

Low object passage

2 degrees

3.53m

 

Zodiacal light

 

 

visible in the morning – top in Hyades

 

Gegenschein

location – just east of left point of Capricornus

 

General crowd pleasers:   M31/32/110, Veil nebula (all 3 parts), M27, M57, M30, NGC7293 (helix neb), NGC 7331 group, M33, M74, sculptor galaxy NGC 253, NGC 246 PN in Cetus, southern items Sagittarius

What galaxies are next after IC 1613?

Maffei 1, fornax dwarf, Andromeda I,II,III

http://web.mac.com/jay_reynolds_freeman/AstroPDFs/LGG.text.pdf