A couple of weeks ago, the Moon’s orbit carried it into the Earth’s shadow during the early morning hours of March 14th. This eclipse was ideally positioned for those of us in the United States, so I was excited and hopeful to have a chance to witness it and capture some beautiful shots during totality.
I started monitoring the weather forecast in earnest on Thursday morning. The sources didn’t agree much. Underground Weather and WeatherBug predicted a significant cloud deck, whereas Astropheric and Clear Outside were far more optimistic. It seemed like an offshore system might creep westward and potentially cloud us out. The pattern suggested it might be advantageous to try and outrun the clouds by heading to western Maryland or West Virginia. However, since that wasn’t a sure thing, I opted for the comfort and convenience of watching from my backyard.
I downloaded and set up the Lunar Eclipse Timer and Camera Controller (LETnC) application the day before. I had used the solar eclipse counterpart to this software during last year’s Total Solar Eclipse, so I was hoping to leverage it for this lunar eclipse. I ensured that both my Canon Mark II and Canon t6i had charged batteries. The former would provide nice views of the full Moon through the 80mm Vixen telescope, while the latter could be used for a variety of shots with the 300mm telephoto lens.
As we approached the point where the Earth’s penumbra began to creep onto the disk, I took a shot of Luna in her pre-eclipsed state. I noticed some very high, thin clouds creating a slight glow around the Moon, but through the telescope, their impact was negligible. Although chilly, the seeing seemed fairly good—around 5/10, with transparency at about 6/10.
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Uneclipsed Moon |
Slightly before midnight, the Earth’s outer shadow touched the Moon. However, as usual, the effect was too subtle to see. Only when we got within about 15 minutes of the first contact with the darker umbra could one begin to appreciate a darkening on the Moon’s limb. By C1 at 1:09 AM, the clouds were slowly thickening, but not enough to seriously impact the spectacle or my photography.
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A few minutes after C1 |
Over the next hour, I continued to document the encroaching shadow, re-centering the Moon in the Vixen and hopping over to the telephoto setup to reel off a few bracketed shots. Unfortunately, the cloud cover seemed to be matching the depth of the eclipse, gradually but inexorably thickening as the minutes ticked down towards totality. I had to edit the LETnC script to make the exposures a little longer, and it became clear it would be a race to see if the clouds would win out and block totality. A look at the satellite infrared image was not at all promising, with offshore clouds pushing into our area.
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About 30 minutes before totality |
By a little after 2 AM, it was clear that the weather had won this round. As the Moon was further engulfed in shadow, it was first lost from eyesight, and then even the telescope's light-gathering advantage was overwhelmed in my effort to continue photographing the eclipse. When C2 arrived a little before 2:30 AM, there was nothing to see, and the hope of witnessing the beautiful coppery orb floating in the spring sky slipped away along with the Moon.
I retreated inside to rest a bit and set an alarm for 3 AM, just in case the clouds relented. But when I checked the window, there was still no hint of the Moon in the sky, so I turned in for the night. Interestingly, some other members of HAL went out to Alpha Ridge to view the eclipse, and their skies held clear enough up until totality to capture some nice images. And so it goes in this often-frustrating hobby that depends so heavily on having a clear sky above!