• Pixel-art Secantha, the Setting-Target Huntress, on a black mug with the slogan "SEC Z RISING. SO IS MY DESPAIR."

IndexCatalogueMug

Secantha, the Setting-Target Huntress Mug

\[X \approx \sec z \quad (z \lesssim 60^\circ)\]
$21.99 USD
$21.99 USD
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Size

Airmass X ≈ sec z for zenith angles below about 60°; extinction grows with X.

The joke: Racing the target as it sets into thicker air. The slogan on the mug reads SEC Z RISING. SO IS MY DESPAIR.

Source: F. Kasten & A. T. Young, Appl. Opt. 28, 4735 (1989).

Shipping calculated at checkout by destinationMade to order, ships in ~10 days

Details

Size & material11oz · 15oz

Black glossy ceramic mug with a C-handle. Lead- and BPA-free.

  • 11oz: 0.33 l
  • 15oz: 0.44 l
CareDishwasher & microwave safe

Dishwasher safe (top rack) or hand wash. Microwave safe.

ShippingBy destination

Shipping calculated at checkout by destination.

Made to order: about 10 days of production and handling before it ships.

Delivery times & where we ship

Returns & replacements21 days

Every item is printed to order, so we can’t accept returns or exchanges for change of mind, or if you ordered the wrong size or colour.

Print defect, misprint, damage or the wrong item? We’ll send a free replacement, or a refund if you prefer. Report it within 21 days of delivery with a photo; no need to send it back.

Full refund & replacement policy

The physics

Airmass X ≈ sec z for zenith angles below about 60°; extinction grows with X.

The joke: Racing the target as it sets into thicker air. The slogan on the mug reads SEC Z RISING. SO IS MY DESPAIR.

Source: F. Kasten & A. T. Young, Appl. Opt. 28, 4735 (1989).

Equations

\[X \approx \sec z \quad (z \lesssim 60^\circ)\]
SymbolMeaningUnit
\(X\) airmass —
\(z\) zenith angle —

Sources

  1. F. Kasten & A. T. Young, Appl. Opt. 28, 4735 (1989)

Field notes

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