STARLOG

AUGUST DELIGHTS

AUGUST 26, 2013

Observer: Tom Campbell
Location: Iola, KS (Long: 95°24'W Lat: 37°55'N)
Telescope: Discovery DHQ 8" Dobsonian
Eyepieces: 1.25 Plössls - 25mm (49X), 15mm (81X), 10mm (122X), Orion Expanse 6mm (203X), 4mm (305X)
Seeing: Decent (7/10)
Transparency: Clear (10/10)
Temperature: Temperatures in the low 80s. There was no breeze.

Observing Summary

  • Hercules: M13, M92
  • Pegasus: M15
  • Sagittarius: M8, NGC 6530
  • Scutum: M11


  • After a week of bright Moon and hazy skies, tonight looked to be a lot better for observing. There was still some haze in the air, but I could still make out the Milky Way going across most of the sky.

    I took my star charts with me to the telescope, and had planned on exploring a lot of Sagittarius, but my battery died in my red flashlight so I was going to have to rely on my memory for where things were. So instead, I just decided to view some of my favorites.

    M8 (Lagoon Nebula) Sagittarius Nebula 10:00pm CDT

    The Lagoon appeared as a bright patch of irregular nebulosity with some darker streaks running through it. Low-power views showed the best contrast. The open cluster NGC-6530 was right next to it, but didn't appear within the nebulosity itself.

     
    NGC 6530 Sagittarius Open Cluster 10:00pm CDT

    This is a large open cluster, looking nice at low power. None of the nebulosity of M8 was visible within the cluster itself, although about 20-30 stars were visible.

     
    M11 (Wild Duck) Scutum Open Cluster 10:06pm CDT

    At 203X, this cluster looks fantastic, filling the entire field of view. There are several bright stars making a spiral rosette pattern, interspersed with a multitude of dimmer stars. Over 100 stars are visible.

     
    M15 Pegasus Globular Cluster 10:30pm CDT

    This is a small, compact globular cluster. It takes magnification well. At 49X, it has a bright, fuzzy core with mottled nebulosity surrounding it. At 203X it is nicely resolved into dozens of stars.

     
    M13 Hercules Globular Cluster 10:40pm CDT

    This is a big, beautiful globular. At 203X, it looks magnificent, taking up about half the field of view. The core is highly resolved into hundreds of stars. Streamers of brighter stars arc away in spiral patterns, looking a bit like a rosette.

     
    M92 Hercules Globular Cluster 10:48pm CDT

    This cluster is smaller than M13, but still very bright. At 81X, it begins to resolve nicely into dozens of tightly packed stars.